<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<!-- get -->
<form action="www.baidu.com" method="get">
    <input name="name" type="text">
    <input name="sex" type="checkbox">
    <button type="submit">提交</button>
</form>

<!-- post -->
<form action="www.baidu.com" method="post">
    <input name="name" type="text">
    <input name="sex" type="checkbox">
    <button type="submit">提交</button>
</form>
<br>
<br>
<br>
<!-- post multipart/form-data -->
<form action="www.baidu.com" method="post" enctype="multipart/form-data">
    <input name="name" type="text">
    <input name="sex" type="checkbox">
    <input type="file" name="myfile">
    <button type="submit">提交</button>
</form>
</body>
</html>
